Base | Representation |
---|---|
bin | 10001100101100… |
… | …00110111011001 |
3 | 101021121001100220 |
4 | 20302300313121 |
5 | 300231300311 |
6 | 22345550253 |
7 | 3440641164 |
oct | 1062606731 |
9 | 337531326 |
10 | 147525081 |
11 | 76301860 |
12 | 414a5389 |
13 | 24743562 |
14 | 15842adb |
15 | ce41206 |
hex | 8cb0dd9 |
147525081 has 16 divisors (see below), whose sum is σ = 215609088. Its totient is φ = 88981200.
The previous prime is 147525067. The next prime is 147525097. The reversal of 147525081 is 180525741.
147525081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 147525081 - 210 = 147524057 is a prime.
It is a super-2 number, since 2×1475250812 = 43527299048113122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (147525061) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3631 + ... + 17556.
It is an arithmetic number, because the mean of its divisors is an integer number (13475568).
Almost surely, 2147525081 is an apocalyptic number.
147525081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
147525081 is a deficient number, since it is larger than the sum of its proper divisors (68084007).
147525081 is a wasteful number, since it uses less digits than its factorization.
147525081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21412.
The product of its (nonzero) digits is 11200, while the sum is 33.
The square root of 147525081 is about 12145.9903260294. The cubic root of 147525081 is about 528.3908485474.
The spelling of 147525081 in words is "one hundred forty-seven million, five hundred twenty-five thousand, eighty-one".
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